The milling machine Cincinnati-Chomienne FP30 This entry describes the milling machine Cincinnati-Chomienne model FP30. It has served me a number of years but now it’s on sale. Literature on this machine is scarce. I found only manuals for similar Cincinnati-Chomienne machines and a brochure for this machine that shows its main dimensions. The milling machine is built in France in the late 60’s (acording to the plate the april of 1968).

Continue reading

I bought in german ebay a four jaws independent chuck with DIN 55022 number 4 fitting. This was not the kind of independent chuck I prefer for the Leinen lathe. I would prefered those kind of “old” chucks which are lighter than the modern ones. Having found no provider for these lighter chucks, finally I went for this one. The chuck can be seen in this picture: The chuck was in pretty good condition.

Continue reading

The Leinen LZ4SB leadscrew is supported by two bearings. One of them, the corresponding to the adjusting end, has been eroded maybe for a deficient lubrication. This need to be faced again to recover the bearing surface. We plan to do that using a boring head on the milling machine. To support the part in an orthogonal position first an adjusting stud is turned in a lathe. This will guide the bearing when clamped to the table.

Continue reading